Posts Tagged PHP Programming

php mysql_close function

mysql_close

php mysql_close function

Returns TRUE on success or FALSE on failure.

<?php
$link_to_database = mysql_connect(‘localhost’, ‘username’, ‘password’); //
if (!$link_to_database) { // checking connection
die(‘Could not connect: ‘ . mysql_error());
}
echo ‘Connected successfully’; // Display Message when connection is sucessfully done
mysql_close($link); // This function will close the mysql connection
?>

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php mysql_client_encoding function

mysql_client_encoding

php mysql_client_encoding function

mysql_client_encoding Return : Returns the default character set name for the current connection.

<?php
$database_link    = mysql_connect(‘localhost’, ‘username’, ‘password’);
$what_is_charset = mysql_client_encoding($database_link);

echo “Your current character set is: $what_is_charset\n”;
// Output : Your current character set is: latin1

?>

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php mysql_change_user function

mysql_change_user

php mysql_change_user function

<?php
$old_user = ‘username’;
$new_user = ‘newusername’;
$link = mysql_connect (‘hostname’,$old_user,’password’);

if (mysql_change_user ($old_user, $new_user)) {
echo “User changed to <b>$new_user</b>.”;
} else {
echo “User could not be changed to <b>$new_user</b>.”;
}
?>

Comments (1)

php mysql_affected_rows function

mysql_affected_rows

php mysql_affected_rows function

mysql_affected_rows Get the number of affected rows by the last INSERT, UPDATE, REPLACE or DELETE query.

<?php
$link = mysql_connect(‘localhost’, ‘username’, ‘password’);
if (!$link) {
die(‘Could not connect: ‘ . mysql_error());
}
mysql_select_db(‘mydb’);

// This will return the number of records deleted
mysql_query(‘DELETE FROM table WHERE fldid < 100’);
print “Records Deleted By Above Query: “. mysql_affected_rows();
// Output will be like this : Records Deleted By Above Query: 10
?>

Comments (2)

php mysql_connect function

mysql_connect

php mysql_connect function

mysql_connect — Open a connection to a MySQL Server

This php function is used to connect to mysql database , mysql_connect function required three main parameters host name , database username and database password.

<?php

mysql_connect( ‘localhost’, ‘dbuser’, ‘dbpass’) or die(‘Could not connect to mysql server.’ );

?>

Returns a MySQL link identifier on success, or FALSE on failure.

php help is the biggest php resource

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php preg_split function

preg_split

php preg_split function
This function Returns an array

<?php
$string = ‘php help programming’;
$array = preg_split(‘/ /’, $string, -1, PREG_SPLIT_OFFSET_CAPTURE);
print_r($array);
?>

Output :
Array
(
[0] => Array
(
[0] => php
[1] => 0
)

[1] => Array
(
[0] => help
[1] => 4
)

[2] => Array
(
[0] => programming
[1] => 9
)

)

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Comments (6)

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